Maps

VGMaps has complete Faxanadu maps, including item spawns and needed keys.

Times and videos

SDA has a page for this game, of course.

Speedrun.com has a community leaderboard, often including a run more recent than SDA's.

Passwords

TASVideos has a mantra generator, but here are some premade mantras for training:

Forepaw after Fortress: MGoYADkQAAJDw

Victim after Black Onix: sYQsEPsQAAaBSve8

Conflate after Battle Suit: ZYUuUPsQIcBYPe8o

Routing

Shiner has a New route theory featuring the "ultimate flight plan"